Denso® Iridium Racing Spark Plug 5731

Denso Iridium Spark Plug are featured as follows:

• Made to repair the ignition mechanism of your auto.
• Precisely molded for a perfect fit.
• Highly durable and resistant to tear-and-wear.
• Highest quality with great pricing.
• Use patented Iridium alloy and 360° laser welding process to enhance ignitability and long life.
• Iridium alloy is six times harder and eight times stronger than conventional platinum.
• Iridium is today's most corrosion-resistant metal in plugs.
• The central electrode has been shrunk down to 0.7mm for better ignitability and longer service life.
• Comes with a fine-wire iridium center electrode and platinum ground electrode.
• Accommodates extreme temperatures above 4,000° F typical of high-performance ignition systems as well as special fuel systems.
• Lasts three times longer than standard spark plugs.

The Denso Iridium Spark Plug 5731 is a high-quality ignition system component designed specifically for your vehicle. It is handcrafted to fit exactly and is resistant to wear. This spark plug incorporates patented Iridium alloy technology, which makes it harder than six times and stronger than eight times the conventional platinum and can withstand temperatures of over 4,000°F. It gives enhanced horsepower, quicker starts, lesser misfires under heavy loading, and better fuel efficiency. The Denso Iridium Spark Plug is also the first automotive plug to use Iridium, an element much superior to platinum found on meteorites. The lifespan of Iridium Long Life spark plugs exceeds that of standard ones by more than three times; thus they are a perfect OE replacement for modern vehicles today.

DENSO is the world's number one in automotive technology, providing leading vehicle manufacturers with high quality A/C compressors, oxygen sensors and other critical components. These products are designed to meet the most stringent OE requirements and have a never-before-seen performance and durability in the auto parts market. The devotion of DENSO through its creativity and excellence guarantees that their items attain more excellent performance, fuel efficiency and longevity thus being highly preferred by car manufacturers globally.